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Chapter 1 Vocab

Characteristics of Living Things Vocab

specialization studying only one part of a subject
organism any living thing
characteristic quality that classifiies something
cell basic unit of structure and function in living things
response reaction to change
autotroph organism that can make its own food
heterotroph organism that can't make its own food
homeostasis process of keeping conditions inside a body constant
nutrient chemical substance that is needed to carry out life processes
ingestion process of taking in food
digestion process of breaking down food so it can be used be living things
cellular respiration process by which a cell releases energy from food molecules
byproduct something prodeced in addition to the main product
excretion process of getting rid of wastes
transport process of moving nutrients and wastes in a living thing
stimulus change that causes a response
behavior way in which living things respond to stimulus
migration seasonal movement of animals from one place to another and back
hibernation inactive state of some animals during winter months
spontaneous generation idea that living things come from nonliving things
reproduction process by which living things produce new organisms like themselves
offspring new organism produced by a living thing
asexual reproduction reproduction needing only one parent
sexual reproduction reproduction needing two parents



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